US20090140193A1 - Device for distributing gas to a cooking appliance - Google Patents
Device for distributing gas to a cooking appliance Download PDFInfo
- Publication number
- US20090140193A1 US20090140193A1 US12/367,373 US36737309A US2009140193A1 US 20090140193 A1 US20090140193 A1 US 20090140193A1 US 36737309 A US36737309 A US 36737309A US 2009140193 A1 US2009140193 A1 US 2009140193A1
- Authority
- US
- United States
- Prior art keywords
- groove
- regulation member
- gas
- passage opening
- passage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/007—Regulating fuel supply using mechanical means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
- F16K5/0214—Plug channel at 90 degrees to the inlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/10—Means for additional adjustment of the rate of flow
- F16K5/103—Means for additional adjustment of the rate of flow specially adapted for gas valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2235/00—Valves, nozzles or pumps
- F23N2235/12—Fuel valves
- F23N2235/16—Fuel valves variable flow or proportional valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2235/00—Valves, nozzles or pumps
- F23N2235/12—Fuel valves
- F23N2235/24—Valve details
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Feeding And Controlling Fuel (AREA)
- Taps Or Cocks (AREA)
Abstract
Description
- This application claims priority to PCT/ES2007/070121 filed Jun. 19, 2007, which claims priority to Spanish Patent Application No. U200601861, filed Aug. 7, 2006.
- The present invention relates to a device for distributing a gas flow to a domestic cooking appliance, which may include a number of rotary taps integrated into the distribution pipe, for regulating the individual gas flow supplied to an outlet conduit of said tap.
- There are known gas fuel distributors for a cooking appliance of the type mentioned above, such as that disclosed in WO 97/21960, which comprises various taps integrated in a distribution pipe, distanced from each other, and assembled with means for the airtight closure of the insertion holes on the tap body in the pipe.
- Each of the gas taps disclosed therein includes a body portion comprising a fixed generally hollow frusto-conical casing positioned within the distribution pipe that has an inlet orifice for the inlet of gas from the distribution pipe. The gas tap also include a frusto-conical rotary plug member located within the casing having both a major orifice and a minor orifice. The plug member is rotatable by means of a control key such that the major and minor orifices of the plug member can be moved into and/or out of varying degrees of alignment with the inlet orifice of the casing to regulate or control the volume of gas flow through an outlet port of the tap. The major orifice is for variation of the gas flow from low to high flame in an associated burner and the minor orifice is for achieving a very low ‘simmer’ flame level. This device for gas distribution presents a problem in that the casing and the rotary plug member have substantially circular passage openings that cannot regulate an intermediate flow “Qgra” proportional to the angular path of the conical member. In addition, the distribution pipe of this known device for gas distribution has two flat opposing walls for the insertion and exit of the tap body, as a result of which the airtight closure of the coupling with the flat walls of the pipe is simple.
- It is an object of present invention to provide a device for distributing a gas flow to a domestic cooking appliance, preferably with a number of regulation taps inserted between the walls of a common distribution pipe, wherein both the surface of the tap body and a rotary regulation member have passage openings that overlap each other for the regulation of an intermediate flow “Qgra” proportional to the angular displacement of the conical member, between two constant flows, the maximum “Qmax” and the minimum “Qmin”.
- The passage opening in the tap body and in the rotary regulation member possess contours of a specific shape, such as the ones described in detail in the following section, both passage openings being formed by portions of a surface area adjacent to each other in succession, which cooperate by means of their overlapping in the direction of rotation to create said three flows, the intermediate flow “Qgra” also being variable in a linear manner.
- In addition, for the purposes of using a cylindrical pipe for the assembly of the distributing device, the invention resolves the problem of the coupling between the tap body and the cylindrical pipe, by means of an airtight closure of both insertion holes on the tap body, which are not flat but which have the geometrical profile of the orthogonal intersection of two cylinders.
-
FIG. 1 is a cross-sectional view of a device of one embodiment for distributing gas for cooking with the taps integrated in the distribution pipe. -
FIG. 2 is a fragmentary view in perspective of the device for distributing gas ofFIG. 1 , showing each part in its relative assembly position. -
FIG. 3 is a profile view of a conical regulation member of the tap of the device for distributing gas ofFIGS. 1 and 2 . -
FIG. 4 is a perspective view of a tap body of the device for distributing gas ofFIGS. 1 and 2 . -
FIG. 5 is a flat view of the tap body ofFIG. 4 , showing its surface developed with a regulation groove. - With reference to
FIGS. 1 to 5 , a device for distributinggas 1 in accordance with one embodiment is illustrated. As shown, the device comprises an elongatedgas distribution pipe 2, preferably cylindrical, of the type that is connected at one end to a gas source of a domestic cooking appliance, and a number ofrotary taps 3 integrated into thedistribution pipe 2 that are distanced from each other for the individual supplying of a gas flow “Q” to a corresponding burner. - Each of
taps 3 comprise atap body 4 and ainternal regulation member 5 that may be conical, the part of thebody 4 a that cooperates with the regulation of the gas flow “Q” being housed inside thepipe 2. The gas supplied by the source circulates through theinlet hole 2 b of thepipe 2, and reaches thetap 3 first of all through aregulation groove 11 on the surface of thebody 4 a, and then through a rotary passage opening 12 towards the interior of theconical member 5, from where the gas is led to anoutlet conduit 3 b in the tap body. Outside thedistribution pipe 2, anozzle 8 is threaded to the outlet end 4 c of the tap for injecting the regulated flow “Q” to the intake of the mixture of the corresponding burner. - The gas flow “Q” circulating through the
pipe 2 is distributed between the various integratedtaps 3, each of them being capable of supplying, in this order, a maximum flow Qmax, an intermediate flow Qgra, and a minimum flow Qmin, by rotating theshaft 6 of the tap. - The
conical member 5 is coupled to thedrive shaft 6, the coupling of both to thetap body 4 being covered by acap 7 which guides the rotation of theshaft 6 between two stops of an angular path of preferably 270° (FIG. 5 ). Theconical member 5 is disposed inside thebody 4. In one embodiment aspring 24 is provided as a biasing force that continually urges theconical member 5 into the interior of thevalve body 4 as shown inFIG. 1 . Aflap 26 in theshaft 6 which is configured to engage with arecess 25 in theregulation member 5 enables a rotation of theshaft 6 to induce a rotation of theregulation member 5. A passage opening 12 is provided within therotatable regulation member 5 and moved with it, whereas a stationaryelongated groove 11 is provided in thewall 4 a of thetap body 4. Thepassage opening 12 is moveable between two angular positions P0-P3 relative to thebody 4 in order to supply said flows Qmax, Qgra and Qmin. - In one embodiment, the
body 4 of thetap 3 comprises three substantiallycylindrical body parts diameters forming sections 9 and 10 in the axial direction towards thepipe 2, theintermediate part 4 a forming a cylindrical wall that contains thestationary regulation groove 11 and which is inserted into thepipe intake hole 2 b through ahole 13 in the cylindrical wall of thepipe 2 a. This intermediate part of thebody 4 a has a machined internal hollow space with aconical surface 40, inside which theconical member 5 is fitted, pushed by thespring 24. - The
first part 4 b of greater diameter is outside thepipe 2, and forms a cross-section 9 as an insertion limit in thepipe 2, out of which axially project twoarched lobes 15 with a transverse edge surrounding thehole 13 in the cylindrical wall of thepipe 2 a, the shape of which follows the geometric line of intersection with a cylinder, thereby enabling its orthogonal coupling to the cylindrical wall of thepipe 2 a. Anairtight seal 22 of a specific shape is interposed with the cylindrical wall of thepipe 2, upon said transverse edge of theselobes 15, thereby surrounding thehole 13 in the pipe, through which thebody 4 passes to ensure its airtight closure. Theairtight seal 22 has a recess, on one of its faces, configured with a geometric surface equivalent to the intersection of two cylinders of different diameter, that of theintermediate part 4 a of the inserted body, and that of thepipe 2, and it has a flat surface, on the other face, for its tightening against said cross-section 9, which is also flat. The external part of thebody 4 b has two pairs ofperipheral ribs 27 that face each other, in which is connected a respective flap of thecover 7 to ensure the positioning and guidance of thecover 7 with the tap. - Part 4 c of the body is a
body end 16 with an external thread for fixing saidinjector nozzle 8 from the outside of thepipe 2. Thebody end 16 forms asecond cross-section 10 in the body, being disposed inside thegas intake hole 2 b, from which is created anoutlet pipe 3 b of the tap of flow “Q” which projects out of thepipe 2 for fixing thenozzle 8. The latter has anut 17 for its coupling to the cylindrical wall of thepipe 2, and aninjector hole 18 on the free end to supply the mixture fuel intake to the corresponding burner. Anadaptor casing 19 and an airtight seal 23 (FIG. 2 ) are assembled between thepipe 2 and thenut 17 of the nozzle, the shapes of which are designed for the closure against the cylindrical wall of thepipe 2. Theadaptor casing 19 has acylindrical surface 20, preferably concave, on the side of the coupling to thepipe 2, inside of which theairtight seal 23 is fitted, and on the opposite side, thesurface 21 of theadaptor casing 19 is flat, in order to make an uniform tightening contact against theflat surface 17 on the nozzle. Theairtight seal 23 has a curved concave surface geometrically adapted to the intersection of thecylindrical body 4 with thehole 14 of thepipe 2, which is also cylindrical. Theadaptor casing 19 may also have a different shape to the one described, for example with thecurved face 20 in the shape of a semi-spherical lobe, which enters the central hole of theairtight seal 23, tightening it uniformly against thehole 14 in thepipe 2. - With reference to
FIGS. 4 and 5 , theregulating groove 11 located within thewall 4 a of thebody 4 is stationary, and has a contour formed by twopassage areas passage area 11 a of a considerable size regulates the flow “Qmax” and preferably has an approximately rectangular shape with two opposite rounded sides to enable its machining, for example of a length “Xm” of around 3 mm and a height “H” of around 6 mm, and also enabling the adjustment of the relative position betweenconical surfaces passage area 11 a of considerable size for the Qmax, aconvergent groove 11 b is adjacently formed, thepassage area 11 b of which is narrow and long and extends in the direction of rotation “R” of theconical member 5, as a result of which it regulates linearly the intermediate flow Qgra. In one embodiment, the widest end of theconvergent groove 11 b is around 1.1 mm and the length “Xg” of theconvergent groove 11 b is around 15 mm which is equivalent to an angular path of approximately 180°. The end of theconvergent groove 11 b provides the minimal flow Qmin. - With reference to
FIG. 3 , theconical regulation member 5 comprises said passage opening 12 that overlaps in its rotation over the regulatinggroove 11 located within thewall 4 a of thebody 4. This passage opening 12 has a contour that cooperates in the regulation of the various flows “Q” supplied by thetap 3. The passage opening 12 comprises two portions ofdifferent size passage groove 11 within thewall 4 a of thebody 4.Portion 12 a having a larger cross-sectional area thanportion 12 b.Portion 12 a ofpassage 12 is preferably circular in shape and has a diameter of, for example, 1.8 mm for passing the Qmax.Portion 12 a is situated in such a way that it can overlap only with said broad passage opening 11 a of thegroove 11 in the wall of thebody 4. Next, the smaller area ofpassage 12 b is preferably substantially rectangular and has a width “W” with a dimension less thanportion 12 a. In one embodiment,portion 12 b has a length “E” of around 2 mm and a width “W” of around 1 mm. As shown inFIG. 5 , onlyportion 12 b is interposed with theconvergent groove portion 11 b in thewall 4 a of thebody 4, causing during its rotation an intermediate flow Qgra that gradually decreases, in accordance with the angle rotated, to a relative final position P3, in which it supplies the Qmin. The length “E” of thepassage area 12 b of theconical member 5 is preferably sufficiently long for it to cover the maximum width of, for example, 1.1 mm of the stationaryconvergent groove 11 b in thebody 4. - With reference to
FIGS. 4 and 5 , the passage opening 12 of theconical member 5 occupies a number of defined positions P0-P3 in relation to the stationary regulatinggroove 11 of thewall 4 a of thebody 4. In an initial position P0, theopening 12 is separated from the regulatinggroove 11 and corresponds with the “OFF” closure of the tap. In one embodiment, following the direction of rotation “R” of the conical member, and after 90° rotation corresponding to the position P1, both passage areas ofportions opening 12 overlap completely with thearea 11 a of considerable size opening 11 a ofgroove 11 located within thewall 4 a of the body, the maximum flow Qmax quickly being established in theoutlet conduit 3 b. Continuing the rotation “R”, only theportion 12 b of passage opening 12 overlaps with theconvergent groove portion 11 b as it successively crosses intermediate gas flow positions P2.Portion 12 b ofopening 12 and theconvergent groove portion 11 b are preferably shaped and dimensioned to provide an intermediate flow Qgra which is linearly regulated over the length of the gradually decreasinggroove portion 11 b, and in accordance with the angular rotation ofshaft 6. In a final position P3 of thepassage opening 12, theconical member 5 comes up against a limit that prevents its subsequent rotation in the direction “R”, and here in the final limit position P3, with theconical member 5 having completed a total angular path “St” equivalent to, for example, 270° from the “OFF” closure position P0, a constant minimum flow Qmin is provided to theoutlet conduit 3 b. In the successive intermediate positions P2 of linear regulating of the Qgra, and in the final position P3, only thenarrow area 12 b of the passage opening 12 of the conical member is interposed with the stationaryconvergent groove 11 b.
Claims (20)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ESU200601861 | 2006-08-07 | ||
ES200601861U | 2006-08-07 | ||
ES200601861U ES1063644Y (en) | 2006-08-07 | 2006-08-07 | GAS DISTRIBUTOR FOR COOKING, WITH INTEGRATED FAUCETS. |
PCT/ES2007/070121 WO2008020107A1 (en) | 2006-08-07 | 2007-06-19 | Device for distributing gas for cooking, with integral taps |
ESPCT/ES2007/070121 | 2007-06-19 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/ES2007/070121 Continuation WO2008020107A1 (en) | 2006-08-07 | 2007-06-19 | Device for distributing gas for cooking, with integral taps |
Publications (2)
Publication Number | Publication Date |
---|---|
US20090140193A1 true US20090140193A1 (en) | 2009-06-04 |
US8196897B2 US8196897B2 (en) | 2012-06-12 |
Family
ID=37565195
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/367,373 Expired - Fee Related US8196897B2 (en) | 2006-08-07 | 2009-02-06 | Device for distributing gas to a cooking appliance |
Country Status (6)
Country | Link |
---|---|
US (1) | US8196897B2 (en) |
CN (1) | CN101506556B (en) |
BR (1) | BRPI0714272A2 (en) |
CA (1) | CA2659532A1 (en) |
ES (1) | ES1063644Y (en) |
WO (1) | WO2008020107A1 (en) |
Cited By (25)
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US20080149872A1 (en) * | 2006-12-22 | 2008-06-26 | David Deng | Valve assemblies for heating devices |
US20080227045A1 (en) * | 2007-03-15 | 2008-09-18 | David Deng | Fuel selectable heating devices |
US20100035196A1 (en) * | 2006-12-22 | 2010-02-11 | David Deng | Pilot assemblies for heating devices |
US20100037884A1 (en) * | 2006-05-17 | 2010-02-18 | David Deng | Dual fuel heater |
US20100170503A1 (en) * | 2006-05-17 | 2010-07-08 | David Deng | Heater configured to operate with a first or second fuel |
US20100304317A1 (en) * | 2006-12-22 | 2010-12-02 | David Deng | Control valves for heaters and fireplace devices |
US20100326422A1 (en) * | 2009-06-29 | 2010-12-30 | David Deng | Heating apparatus with air shutter adjustment |
US20100326430A1 (en) * | 2009-06-29 | 2010-12-30 | David Deng | Dual fuel heating system and air shutter |
US20110081620A1 (en) * | 2006-05-17 | 2011-04-07 | Continental Appliances, Inc. D.B.A. Procom | Oxygen depletion sensor |
US8241034B2 (en) | 2007-03-14 | 2012-08-14 | Continental Appliances Inc. | Fuel selection valve assemblies |
US8752541B2 (en) | 2010-06-07 | 2014-06-17 | David Deng | Heating system |
US20140252253A1 (en) * | 2013-03-08 | 2014-09-11 | Grand Mate Co., Ltd. | Plug member of gas valve |
US8985094B2 (en) | 2011-04-08 | 2015-03-24 | David Deng | Heating system |
US9091431B2 (en) | 2012-09-13 | 2015-07-28 | David Deng | Dual fuel valve with air shutter adjustment |
US9423123B2 (en) | 2013-03-02 | 2016-08-23 | David Deng | Safety pressure switch |
US9441840B2 (en) | 2010-06-09 | 2016-09-13 | David Deng | Heating apparatus with fan |
US20170114906A1 (en) * | 2015-10-26 | 2017-04-27 | Grand Mate Co., Ltd. | Plug member of gas valve |
US9739389B2 (en) | 2011-04-08 | 2017-08-22 | David Deng | Heating system |
US9752779B2 (en) | 2013-03-02 | 2017-09-05 | David Deng | Heating assembly |
US9752782B2 (en) | 2011-10-20 | 2017-09-05 | David Deng | Dual fuel heater with selector valve |
US9829195B2 (en) | 2009-12-14 | 2017-11-28 | David Deng | Dual fuel heating source with nozzle |
US10073071B2 (en) | 2010-06-07 | 2018-09-11 | David Deng | Heating system |
US10222057B2 (en) | 2011-04-08 | 2019-03-05 | David Deng | Dual fuel heater with selector valve |
US10240789B2 (en) | 2014-05-16 | 2019-03-26 | David Deng | Dual fuel heating assembly with reset switch |
US10429074B2 (en) | 2014-05-16 | 2019-10-01 | David Deng | Dual fuel heating assembly with selector switch |
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WO2010066077A1 (en) * | 2008-12-11 | 2010-06-17 | Lam Kwong Yung | Method for controlling gas-air intake and synchronous controller using the method |
US9671111B2 (en) | 2013-03-13 | 2017-06-06 | Ghp Group, Inc. | Fuel selector valve with shutter mechanism for a gas burner unit |
CN104061340B (en) * | 2013-03-21 | 2016-08-17 | 关隆股份有限公司 | Son is closed for gas switch |
US9844298B1 (en) * | 2014-12-02 | 2017-12-19 | Daniel T Parrish | Push to sear valve for a gas grill |
US20170105574A1 (en) * | 2013-12-06 | 2017-04-20 | Daniel T Parrish | Push to sear valve for a gas grill |
US9759335B2 (en) * | 2014-05-01 | 2017-09-12 | Dresser, Inc. | Flow restrictor having multiple flow modifying regions |
US9488283B2 (en) * | 2015-01-16 | 2016-11-08 | Haier Us Appliance Solutions, Inc. | Control valve for a gas burner |
CN114261760B (en) * | 2021-12-22 | 2024-03-08 | 苏州精濑光电有限公司 | Switchable suction mechanism |
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- 2007-06-19 CA CA002659532A patent/CA2659532A1/en not_active Abandoned
- 2007-06-19 WO PCT/ES2007/070121 patent/WO2008020107A1/en active Application Filing
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Cited By (55)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8235708B2 (en) | 2006-05-17 | 2012-08-07 | Continental Appliances, Inc. | Heater configured to operate with a first or second fuel |
US8568136B2 (en) | 2006-05-17 | 2013-10-29 | Procom Heating, Inc. | Heater configured to operate with a first or second fuel |
US8516878B2 (en) | 2006-05-17 | 2013-08-27 | Continental Appliances, Inc. | Dual fuel heater |
US20100037884A1 (en) * | 2006-05-17 | 2010-02-18 | David Deng | Dual fuel heater |
US20100170503A1 (en) * | 2006-05-17 | 2010-07-08 | David Deng | Heater configured to operate with a first or second fuel |
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Also Published As
Publication number | Publication date |
---|---|
ES1063644Y (en) | 2007-02-16 |
BRPI0714272A2 (en) | 2013-02-19 |
WO2008020107A1 (en) | 2008-02-21 |
CN101506556B (en) | 2012-07-04 |
CA2659532A1 (en) | 2008-02-21 |
US8196897B2 (en) | 2012-06-12 |
ES1063644U (en) | 2006-11-16 |
CN101506556A (en) | 2009-08-12 |
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